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pressure fitting question - 5/7/2008 6:24:01 AM   
MetallicaJunkie



Posts: 1042
Joined: 9/17/2006
From: donna, TX, USA
Status: online 		I finally dusted off my old lanier edge 540 73" bird, as i took the cowl off to inspect and get it back to flying condition, i noticed the pressure fitting on my saito 150's muffler could use tightening and i must have over tightened it and stripped it.....


my question is could i use jb weld with success and use the same pressure fitting? i have used it on 2 stroke glow with out any failure, but i hear 4 strokes generate more heat...i would hate for it to "melt" and cause me an unnecessary dead stick

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RE: pressure fitting question - 5/7/2008 6:42:18 AM   
LeeHop



Posts: 211
Joined: 4/5/2005
From: Aurora, OR, USA
Status: offline 		Good question. JBWeld is supposed to be good to 500 deg F. I don't think your muffler would get that hot. JBWeld link

(in reply to MetallicaJunkie)
       Post #: 2

RE: pressure fitting question - 5/7/2008 2:10:52 PM   
w8ye



Posts: 17462
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		I've seen JBweld on four stroke mufflers.

Maybe the guy didn't run them hard?

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Original AMA #31261

(in reply to LeeHop)
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RE: pressure fitting question - 5/18/2008 5:28:10 PM   
MOTORMAN37



Posts: 2088
Joined: 10/26/2002
From: CLINTONVILLE, WI, USA
Status: offline 		I fourstroke exhaust can be as high 550-600 Deg's F. Look at what it does to silocone extensions. It will also start to burn Teflon which is good for 500 sustained.

(in reply to w8ye)
       Post #: 4

RE: pressure fitting question - 5/18/2008 7:07:38 PM   
proptop



Posts: 4495
Joined: 10/18/2002
From: Rome, NY, USA
Status: offline 		Tried to JB Weld the press. fitting on a friends Saito 1.80 muffler...it didn't take long to melt.

What we did was to find a bolt that would fit into the press. fittings old hole and sort of cut it's own threads...(we cut it real short first ) and we plugged the old hole. Then we made a new hole for the press. fitting.

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(in reply to MOTORMAN37)
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